middleware.ts

import createMiddleware from "next-intl/middleware";

export default createMiddleware({
  locales: ["en", "es"],
  defaultLocale: "en",
  localeDetection: true,
  localePrefix: "as-needed",
});

export const config = {
  matcher: ["/((?!api|_next|_vercel|.*\\..*).*)"],
import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";

export function middleware(request: NextRequest) {
  const requestId =
    request.headers.get("x-request-id") ??
    crypto.randomUUID();

  const requestHeaders = new Headers(request.headers);
  requestHeaders.set("x-request-id", requestId);

  const response = NextResponse.next({ request: { headers: requestHeaders } });
  response.headers.set("x-request-id", requestId);

  return response;
}

export const config = {
  matcher: "/api/:path*",
};